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*earthquakes* how do we locate them?

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*Earthquakes* How do we locate them? Question of the Day : Where did the largest earthquake ever recorded in the US occur? Thursday, November 4 th 1. Locate an Earthquake 2. Key Concept bingo

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*Earthquakes* How do we locate them?. Question of the Day : Where did the largest earthquake ever recorded in the US occur? Thursday, November 4 th Locate an Earthquake Key Concept bingo. Prince William Sound, Alaska Magnitude 9.2. Locate an Earthquake…. P and S waves 2 minutes apart. - PowerPoint PPT Presentation

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Page 1: *Earthquakes* How do we locate them?

*Earthquakes* How do we locate them?

Question of the Day: Where did the largest earthquake ever recorded in the US occur?

Thursday, November 4th 1. Locate an Earthquake

2. Key Concept bingo

Page 2: *Earthquakes* How do we locate them?

Prince William Sound, Alaska Magnitude 9.2

http://www.youtube.com/watch?v=6ApwG0QWhIs&feature=related
http://www.youtube.com/watch?v=6ApwG0QWhIs&feature=related
Page 3: *Earthquakes* How do we locate them?
Page 4: *Earthquakes* How do we locate them?

Locate an Earthquake…

P and S waves 2 minutes apart

Page 5: *Earthquakes* How do we locate them?

Fingerprint of an Earthquake

Page 6: *Earthquakes* How do we locate them?

Locate an Earthquake…

P and S waves 3 minutes apart

Page 7: *Earthquakes* How do we locate them?

• Calculate how far away the Earthquake was if the time difference was 3 minutes

Page 8: *Earthquakes* How do we locate them?

• Then follow down to see how far away the Earth quake was…

Page 9: *Earthquakes* How do we locate them?

Locate an Earthquake…

P and S waves 3 minutes apart

P and S waves 3 min 40 sec apart

Page 10: *Earthquakes* How do we locate them?

• Calculate how far away the Earthquake was if the time difference was 3 minutes 40 seconds away

Page 11: *Earthquakes* How do we locate them?

Locate an Earthquake…

P and S waves 3 minutes apart

P and S waves 3 min 40 sec apart

P and S waves 4 minutes apart

Page 12: *Earthquakes* How do we locate them?

• Calculate how far away the Earthquake was if the time difference was 4 minutes

Page 13: *Earthquakes* How do we locate them?

Draw circles and find Earthquake

Earthquake was HERE!!!


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